Home / 201,918.55-278,654.59-110,045.49

Finding the Fourth Proportional to 201,918.55, 278,654.59 and 110,045.49

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Solution

The fourth proportional to 201,918.55, 278,654.59 and 110,045.49 is: 151,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,918.55 : 278,654.59 = 110,045.49 : x
  2. Step 2: Convert to fraction form
    201,918.55/278,654.59 = 110,045.49/x
  3. Step 3: Cross multiply
    201,918.55x = 278,654.59 × 110,045.49
  4. Step 4: Simplify right side
    201,918.55x = 30,664,681,174.74
  5. Step 5: Solve for x
    x = 30,664,681,174.74/201,918.55
  6. Step 6: Final answer
    x = 151,866.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.